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Local authority energy-performance profile

Monmouthshire EPC ratings and energy costs

Understand how homes in Monmouthshire score, what certificate-estimated energy costs look like and how much improvement the recorded recommendations suggest.

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Average EPC

D 68

0.5 points below analysed national average

Rated C or above

58.6%

of analysed certificates

Potential uplift

+16

average score points

Properties represented

13K

from 14K certificates

At a glance

What the data says about Monmouthshire

58.6%

rated A–C

14.9%

rated E–G

£1,256

certificate-estimated annual cost

Cost figures are averages of estimates recorded on EPCs at different dates. They are useful for comparing areas, but they are not a forecast of a current household bill.

Latest official local-authority table

Updated through 30 June 2026

43,911

domestic EPC lodgements since 2008

46.9%

rated C or above

21.3%

rated E, F or G

The current MHCLG live table counts certificate lodgements, not unique homes. It complements the more detailed 2020–2025 EPCScore analysis below.

Housing market context — May 2026

Average property price

£325,582

Annual change

-1.7%

Context

Official UK HPI local-authority average

detached£484,528
semi-detached£293,988
terraced£230,069
flat£148,374

UK HPI figures are provisional and can be revised. They describe the whole local housing market; EPCScore does not infer that EPC ratings caused local price levels or changes. View the official UK HPI ↗

Average EPC score in Monmouthshire

A92+
2.5%
B81–91
16.0%
C69–80
40.2%
D55–68
68
26.4%
E39–54
10.4%
F21–38
3.4%
G1–20
1.1%

EPC band distribution in Monmouthshire

A
3342.5%
B
16.0%
2,175
C
40.2%
5,470
D
26.4%
3,597
E
10.4%
1,421
F
4653.4%
G
1451.1%

Certificate-estimated energy costs

Cost TypeMonmouthshireNational AvgDifference
Heating£965/yr£782/yr▲ £183
Hot water£188/yr£184/yr▲ £4
Lighting£103/yr£95/yr▲ £8
Total£1,256/yr£1,061/yr▲ £195

These values come from certificate assessments and reflect standardised occupancy assumptions and energy prices used when each EPC was produced. They are not live tariffs.

Property types in the dataset

House
10,15774.6%
Flat
2,19116.1%
Bungalow
1,1898.7%
Maisonette
650.5%
Park home
50.0%

Main heating fuel

Mains gas
9,85172.7%
Oil
1,65312.2%
Electric
1,47010.8%
LPG
4473.3%
Other
1371.0%

Carbon emissions and improvement potential

4.1 t

current annual CO₂ estimate

2 t

potential annual estimate

103 m²

average floor area

When the represented homes were built

Pre-1900
14%
1900–1929
9%
1930–1949
5%
1950–1966
13%
1967–1975
11%
1976–1982
7%
1983–1990
8%
1991–1995
6%
1996–2002
6%
2003–2006
4%
2007–2011
4%
2012+
14%

Average EPC score over time

Average EPC efficiency score by year2020: 66, 2021: 67, 2022: 68, 2023: 67, 2024: 69, 2025: 707371686663202020212022202320242025Efficiency score
2020
66
2021
67
2022
68
2023
67
2024
69
2025
70

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